Jul 29, 2011 4:00am EDT
afghanistan but was more than willing at causing bloodshed at home saying he wanted to get even with the military and chose ft. hood because of the 2009 attack where major nadal hasan killed and wounded soldiers. his plan was to set off two bombs then shoot any survivors. police say the attack was imminent. >> we would probably be here today giving you a different briefing had he not been stopped. >> reporter: greg ebert is the one who stopped him, former marine and police officer who works at this gun store. he got suspicious when abdo arrived on a cab on tuesday then bought six pounds of gunpowder, three boxes of shotgun ammunition and a magazine for a semiautomatic pistol. he paid $250 in cash. >> if somebody comes in especially into a business like this and makes a purchase and doesn't know what he's buying, i'd be concerned about that. >> reporter: concerned enough to call police who the next day searched the soldier's room at this local tel. hotel room they not only found the ammunition he purchased in this store but a pistol as well as the components needed to make two bombs.